Problem: Experimental features setting does not persist
Problem/Opportunity Statement
'Experimental features: Enabled' does not persist after refreshing the browser.
This feature was introduced in !491 (merged), but the unlike the 'style mode' setting, the experimental features setting was not persisted in local storage.
What would success / a fix look like?
When a user chooses to enable experimental features, they stay enabled, even after refreshing the browser.